Electromagnetic Spectrum Flashcard

Front

What is the Electromagnetic Spectrum?

Back

A range of all possible electromagnetic waves.

Front

List three astronomical objects that radio waves can detect.

Back

Pulsars, quasars, and supernova remnants.

Front

List 2 ways that gamma rays are produced on Earth.

Back

Nuclear explosions, lightning.

Front

What is the relationship between wavelength and energy in electromagnetic waves?

Back

The longer the wavelength, the less amount of energy the wave carries.

Front

What do scientists use to sense UV light in space?

Back

Satellites positioned above the atmosphere.

Front

What are the different types of electromagnetic waves?

Back

Radio waves, microwaves, infrared, visible light, ultraviolet, X-rays, gamma rays.

Front

How do radio waves travel through space?

Back

Radio waves travel through space as oscillating electric and magnetic fields.

Front

What is the speed of electromagnetic waves in a vacuum?

Back

The speed of electromagnetic waves in a vacuum is approximately 299,792 kilometers per second (or about 300,000 km/s).

Front

What is the significance of the visible spectrum?

Back

The visible spectrum is the portion of the electromagnetic spectrum that can be seen by the human eye.

Front

How do telescopes detect different types of electromagnetic waves?

Back

Telescopes are equipped with specific instruments to detect various wavelengths, such as radio, infrared, and X-ray telescopes.